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util: fix return code checks in dev_get_blocklen

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The ioctl() calls in dev_get_blocklen() were checking for != 0 instead
of == 0, so the default path (512) was always being taken.

Change-Id: Ib0b016b1d453fb94d408063417b7485ff24ed220
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2015-11-02 08:48:58 -07:00
parent c9cc869a3e
commit ae80d88bcb
1 changed files with 2 additions and 2 deletions
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4
lib/util/file.c
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@ -67,13 +67,13 @@ dev_get_blocklen(int fd)
#if defined(DKIOCGETBLOCKSIZE) /* FreeBSD */ #if defined(DKIOCGETBLOCKSIZE) /* FreeBSD */
uint32_t blocklen; uint32_t blocklen;
if (ioctl(fd, DKIOCGETBLOCKSIZE, &blocklen) != 0) { if (ioctl(fd, DKIOCGETBLOCKSIZE, &blocklen) == 0) {
return blocklen; return blocklen;
} }
#elif defined(__linux__) && defined(BLKSSZGET) #elif defined(__linux__) && defined(BLKSSZGET)
uint32_t blocklen; uint32_t blocklen;
if (ioctl(fd, BLKSSZGET, &blocklen) != 0) { if (ioctl(fd, BLKSSZGET, &blocklen) == 0) {
return blocklen; return blocklen;
} }
#endif #endif