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linux/drivers/ata
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Zhou Qingyang 9b6d90e208 ata: pata_platform: Fix a NULL pointer dereference in __pata_platform_probe() 
In __pata_platform_probe(), devm_kzalloc() is assigned to ap->ops and
there is a dereference of it right after that, which could introduce a
NULL pointer dereference bug.

Fix this by adding a NULL check of ap->ops.

This bug was found by a static analyzer.

Builds with 'make allyesconfig' show no new warnings,
and our static analyzer no longer warns about this code.

Fixes: f3d5e4f18dba ("ata: pata_of_platform: Allow to use 16-bit wide data transfer")
Signed-off-by: Zhou Qingyang <zhou1615@umn.edu>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
2022-01-27 11:22:43 +09:00
..
acard-ahci.c
ata: libata: remove pointless debugging messages
2022-01-04 20:00:35 +09:00
ahci_brcm.c
ata: libata: Rename link flag ATA_LFLAG_NO_DB_DELAY
2022-01-14 15:17:17 +09:00
ahci_ceva.c
ata: fix read_id() ata port operation interface
2022-01-14 15:17:16 +09:00
ahci_da850.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 45
2019-05-24 17:27:12 +02:00
ahci_dm816.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 45
2019-05-24 17:27:12 +02:00
ahci_imx.c
ata: ahci-imx: remove redundant assignment to ret
2020-04-07 14:49:45 -06:00
ahci_mtk.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
ahci_mvebu.c
ata: ahci: mvebu: Make SATA PHY optional for Armada 3720
2020-10-09 12:47:56 -06:00
ahci_octeon.c
…
ahci_platform.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 45
2019-05-24 17:27:12 +02:00
ahci_qoriq.c
ata: libata: add reset tracepoints
2022-01-04 20:00:57 +09:00
ahci_seattle.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 235
2019-06-19 17:09:07 +02:00
ahci_st.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
ahci_sunxi.c
ata: ahci_sunxi: Disable DIPM
2021-06-14 08:26:54 -06:00
ahci_tegra.c
ata: ahci_tegra: call tegra_powergate_power_off only when PM domain is not present
2021-04-11 20:35:08 -06:00
ahci_xgene.c
ata: fix read_id() ata port operation interface
2022-01-14 15:17:16 +09:00
ahci.c
ata: ahci: Add support for AMD A85 FCH (Hudson D4)
2022-01-14 15:17:17 +09:00
ahci.h
scsi: ata: Switch to attribute groups
2021-10-16 21:45:52 -04:00
ata_generic.c
ata: ata_generic: Fix misspelling of 'ata_generic_init_one()'
2021-03-30 20:21:26 -06:00
ata_piix.c
ata: libata: tracepoints for bus-master DMA
2022-01-05 19:32:51 +09:00
Kconfig
ata: pata_samsung_cf: add compile test support
2022-01-14 15:17:17 +09:00
libahci_platform.c
ata: libahci_platform: Get rid of dup message when IRQ can't be retrieved
2022-01-04 20:00:12 +09:00
libahci.c
ata: ahci: Drop pointless VPRINTK() calls and convert the remaining ones
2022-01-05 19:33:01 +09:00
libata-acpi.c
ata: libata: drop ata_msg_probe()
2022-01-05 19:33:02 +09:00
libata-core.c
ata: fix read_id() ata port operation interface
2022-01-14 15:17:16 +09:00
libata-eh.c
ata: libata: drop ata_msg_drv()
2022-01-05 19:33:02 +09:00
libata-pata-timings.c
ata: separate PATA timings code from libata-core.c
2020-03-26 10:28:19 -06:00
libata-pmp.c
ata: libata: add tracepoints for ATA error handling
2022-01-05 19:33:01 +09:00
libata-sata.c
ata: libata: Rename link flag ATA_LFLAG_NO_DB_DELAY
2022-01-14 15:17:17 +09:00
libata-scsi.c
ata: libata-scsi: simplify __ata_scsi_queuecmd()
2022-01-14 15:17:17 +09:00
libata-sff.c
ata: libata: remove debug compilation switches
2022-01-05 19:33:02 +09:00
libata-trace.c
ata: libata-sff: tracepoints for HSM state machine
2022-01-05 19:33:01 +09:00
libata-transport.c
ata: libata: Add ata_port_classify() helper
2022-01-04 20:00:45 +09:00
libata-transport.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
libata-zpodd.c
libata: zpodd: Fix small read overflow in zpodd_get_mech_type()
2019-07-29 16:00:14 -06:00
libata.h
ata: libata: remove pointless VPRINTK() calls
2022-01-05 19:33:01 +09:00
Makefile
ata: start separating SATA specific code from libata-core.c
2020-03-26 10:28:19 -06:00
pata_acpi.c
ata: pata_acpi: Fix some incorrect function param descriptions
2021-03-30 20:21:26 -06:00
pata_ali.c
ata: pata_ali: remove redundant return statement
2022-01-14 15:17:17 +09:00
pata_amd.c
pata_amd: fix checking of DMA state
2021-10-12 17:46:55 +09:00
pata_arasan_cf.c
ata: libata: tracepoints for bus-master DMA
2022-01-05 19:32:51 +09:00
pata_artop.c
ata: pata_artop: Repair possible copy/paste issue in 'artop_6210_qc_defer()'s header
2021-03-12 07:28:30 -07:00
pata_atiixp.c
ata: pata_atiixp: Avoid overwriting initialised field in 'atiixp_sht'
2021-06-16 06:50:25 -06:00
pata_atp867x.c
ata: pata_atp867x: convert printk() calls
2022-01-05 19:33:02 +09:00
pata_bk3710.c
pata_bk3710: clarify license version and use SPDX header
2018-03-01 13:59:03 -08:00
pata_buddha.c
ata/pata_buddha: Probe via modalias instead of initcall
2019-08-23 06:58:50 -06:00
pata_cmd64x.c
ata: pata_cmd64x: convert printk() calls
2022-01-05 19:33:03 +09:00
pata_cmd640.c
ata: pata_cmd640: convert printk() calls
2022-01-05 19:33:02 +09:00
pata_cs5520.c
ata: pata_cs5520: convert printk() calls
2022-01-05 19:33:03 +09:00
pata_cs5530.c
ata: pata_cs5530: Avoid overwriting initialised field in 'cs5530_sht'
2021-06-16 06:50:25 -06:00
pata_cs5535.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
pata_cs5536.c
ata: pata_cs5536: convert printk() calls
2022-01-05 19:33:03 +09:00
pata_cypress.c
ata: pata_cypress: convert printk() calls
2022-01-05 19:33:03 +09:00
pata_efar.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_ep93xx.c
ata: libata: remove debug compilation switches
2022-01-05 19:33:02 +09:00
pata_falcon.c
pata_falcon: Avoid type warnings from sparse
2021-11-29 20:28:13 +09:00
pata_ftide010.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_gayle.c
ata: add Amiga Gayle PATA controller driver
2018-03-19 07:41:36 -07:00
pata_hpt3x2n.c
ata: pata_hpt3x2n: convert pr_XXX() calls
2022-01-05 19:33:03 +09:00
pata_hpt3x3.c
libata: switch remaining drivers to use dma_set_mask_and_coherent
2019-08-26 13:58:59 -06:00
pata_hpt37x.c
ata: pata_hpt37x: convert pr_XXX() calls
2022-01-05 19:33:03 +09:00
pata_hpt366.c
ata: pata_hpt366: convert pr_warn() calls
2022-01-05 19:33:03 +09:00
pata_icside.c
ata: Avoid comma separated statements
2021-01-31 08:05:46 -07:00
pata_imx.c
Merge branch 'for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
2018-08-24 13:20:33 -07:00
pata_isapnp.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_it821x.c
ata: fix read_id() ata port operation interface
2022-01-14 15:17:16 +09:00
pata_it8213.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_ixp4xx_cf.c
ata: libata: move ata_{port,link,dev}_dbg to standard pr_XXX() macros
2022-01-05 19:33:01 +09:00
pata_jmicron.c
ata: pata_jmicron: Fix incorrectly documented function parameter
2021-03-12 07:28:31 -07:00
pata_legacy.c
pata_legacy: fix a couple uninitialized variable bugs
2021-10-12 09:52:35 +09:00
pata_macio.c
scsi: ata: Switch to attribute groups
2021-10-16 21:45:52 -04:00
pata_marvell.c
ata: pata_marvell: convert printk() calls
2022-01-05 19:33:03 +09:00
pata_mpc52xx.c
pata_mpc52xx: Delete an error message for a failed memory allocation in mpc52xx_ata_probe()
2018-02-18 05:23:25 -08:00
pata_mpiix.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_netcell.c
ata: fix read_id() ata port operation interface
2022-01-14 15:17:16 +09:00
pata_ninja32.c
libata: switch remaining drivers to use dma_set_mask_and_coherent
2019-08-26 13:58:59 -06:00
pata_ns87410.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
pata_ns87415.c
ata: Trivial spelling fixes in the file pata_ns87415.c
2021-03-12 07:28:31 -07:00
pata_octeon_cf.c
ata: pata_octeon_cf: fix call to trace_ata_bmdma_stop()
2022-01-21 18:39:16 +09:00
pata_of_platform.c
ata: pata_of_platform: Use platform_get_irq_optional() to get the interrupt
2022-01-14 15:17:17 +09:00
pata_oldpiix.c
treewide: Add SPDX license identifier for more missed files
2019-05-21 10:50:45 +02:00
pata_opti.c
ata: pata_opti: Fix spelling issue of 'val' in 'opti_write_reg()'
2021-03-30 20:21:26 -06:00
pata_optidma.c
pata_optidma: fix checking of DMA state
2021-10-12 17:46:59 +09:00
pata_palmld.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
pata_pcmcia.c
pata_pcmia: add SanDisk High (>8G) CF card to supported list
2020-01-29 20:54:51 -07:00
pata_pdc202xx_old.c
ata: libata: tracepoints for bus-master DMA
2022-01-05 19:32:51 +09:00
pata_pdc2027x.c
ata: pata_pdc2027x: Replace PDPRINTK() with standard ata logging
2022-01-05 19:33:01 +09:00
pata_piccolo.c
ata: pata_piccolo: 'ata_tosh_init()' is misnamed in its header
2021-03-30 20:21:25 -06:00
pata_platform.c
ata: pata_platform: Fix a NULL pointer dereference in __pata_platform_probe()
2022-01-27 11:22:43 +09:00
pata_pxa.c
ata: make qc_prep return ata_completion_errors
2019-11-01 08:50:51 -06:00
pata_radisys.c
pata_radisys: fix checking of DMA state
2021-10-12 17:47:02 +09:00
pata_rb532_cf.c
ata: rb532_cf: remove redundant codes
2021-06-24 18:49:01 -06:00
pata_rdc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
pata_rz1000.c
ata: pata_rz1000: convert printk() calls
2022-01-05 19:33:03 +09:00
pata_samsung_cf.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
pata_sc1200.c
ata: pata_sc1200: sc1200_sht'Avoid overwriting initialised field in '
2021-06-16 06:50:25 -06:00
pata_sch.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 300
2019-06-05 17:37:00 +02:00
pata_serverworks.c
ata: pata_serverworks: convert printk() calls
2022-01-05 19:33:03 +09:00
pata_sil680.c
ata: pata_sil680: convert printk() calls
2022-01-05 19:33:03 +09:00
pata_sis.c
ata: pata_sis: Remove superfluous param description and supply another
2021-03-30 20:21:25 -06:00
pata_sl82c105.c
ata: pata_sl82c105: Fix potential doc-rot
2021-03-30 20:21:25 -06:00
pata_triflex.c
ata: pata_triflex: Repair some misnamed functions and fix some param descriptions
2021-03-30 20:21:25 -06:00
pata_via.c
ata: pata_via: Drop pointless VPRINTK() calls
2022-01-05 19:33:01 +09:00
pdc_adma.c
ata: pdc_adma: Drop pointless VPRINTK() calls and remove disabled NCQ debugging
2022-01-05 19:33:01 +09:00
sata_dwc_460ex.c
ata: sata_dwc_460ex: Remove debug compile options
2022-01-05 19:33:03 +09:00
sata_fsl.c
ata: sata_fsl: fix cmdhdr_tbl_entry and prde struct definitions
2022-01-14 15:17:16 +09:00
sata_gemini.c
ata: sata_gemini: convert pr_err() calls
2022-01-05 19:33:03 +09:00
sata_gemini.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sata_highbank.c
ata: sata_highbank: Remove unnecessary print function dev_err()
2021-11-11 10:55:32 +09:00
sata_inic162x.c
ata: sata_inic162x: Drop pointless VPRINTK() calls
2022-01-05 19:33:02 +09:00
sata_mv.c
ata: sata_mv: convert remaining printk() to structured logging
2022-01-05 19:33:03 +09:00
sata_nv.c
ata: sata_nv: drop pointless VPRINTK() calls and convert remaining ones
2022-01-05 19:33:02 +09:00
sata_promise.c
ata: sata_promise: Drop pointless VPRINTK() calls and convert the remaining ones
2022-01-05 19:33:01 +09:00
sata_promise.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
sata_qstor.c
ata: sata_qstor: Drop pointless VPRINTK() calls
2022-01-05 19:33:02 +09:00
sata_rcar.c
ata: libata: remove debug compilation switches
2022-01-05 19:33:02 +09:00
sata_sil24.c
ata: libata: add reset tracepoints
2022-01-04 20:00:57 +09:00
sata_sil.c
ata: sata_sil: Drop pointless VPRINTK() calls
2022-01-05 19:33:02 +09:00
sata_sis.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
sata_svw.c
libata: switch remaining drivers to use dma_set_mask_and_coherent
2019-08-26 13:58:59 -06:00
sata_sx4.c
ata: sata_sx4: convert printk() calls
2022-01-05 19:33:03 +09:00
sata_uli.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18
2019-05-21 11:28:46 +02:00
sata_via.c
libata: switch remaining drivers to use dma_set_mask_and_coherent
2019-08-26 13:58:59 -06:00
sata_vsc.c
libata: switch remaining drivers to use dma_set_mask_and_coherent
2019-08-26 13:58:59 -06:00
sis.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00