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staging: exfat: Clean up return codes - FFS_EOF

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Convert FFS_EOF to return 0 for a zero-length read() as per 'man 2 read'.

Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Link: https://lore.kernel.org/r/20191112021000.42091-4-Valdis.Kletnieks@vt.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Valdis Kletnieks 2019-11-11 21:09:51 -05:00 committed by Greg Kroah-Hartman
parent a75500c5d3
commit f9c53abb42
2 changed files with 1 additions and 2 deletions
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1
drivers/staging/exfat/exfat.h
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@ -217,7 +217,6 @@ static inline u16 get_row_index(u16 i)
#define FFS_INVALIDFID 8
#define FFS_NOTOPENED 12
#define FFS_MAXOPENED 13
#define FFS_EOF 15
#define FFS_ERROR 19
#define NUM_UPCASE 2918

2
drivers/staging/exfat/exfat_super.c
View File

@ -723,7 +723,7 @@ static int ffsReadFile(struct inode *inode, struct file_id_t *fid, void *buffer,
if (count == 0) {
if (rcount)
*rcount = 0;
ret = FFS_EOF;
ret = 0;
goto out;
}