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firmware: Use PTR_ERR_OR_ZERO()

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Fix ptr_ret.cocci warnings:
drivers/firmware/efi/efi.c:610:8-14: WARNING: PTR_ERR_OR_ZERO can be used

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Gabriel Somlo <somlo@cmu.edu>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Vasyl Gomonovych 2017-11-28 22:40:27 +01:00 committed by Michael S. Tsirkin
parent c2c9f9bc5b
commit 0a9e63aa39
1 changed files with 1 additions and 3 deletions
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4
drivers/firmware/qemu_fw_cfg.c
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@ -694,10 +694,8 @@ static int fw_cfg_cmdline_set(const char *arg, const struct kernel_param *kp)
*/
fw_cfg_cmdline_dev = platform_device_register_simple("fw_cfg",
PLATFORM_DEVID_NONE, res, processed);
if (IS_ERR(fw_cfg_cmdline_dev))
return PTR_ERR(fw_cfg_cmdline_dev);
return 0;
return PTR_ERR_OR_ZERO(fw_cfg_cmdline_dev);
}
static int fw_cfg_cmdline_get(char *buf, const struct kernel_param *kp)