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Fix a bug where mount could check the wrong device. st_rdev is the correct

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device ID iff the named file is a character or block special device.  Otherwise
it is meaningless junk, in which case st_dev should be used.  This was done
incorrectly, which could cause mount to display bogus mount info.
 -Erik
This commit is contained in:
Eric Andersen 2004-01-13 11:39:22 +00:00
parent 7c87b67c08
commit 1cda715bbc
1 changed files with 5 additions and 2 deletions
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7
libbb/find_root_device.c
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@ -38,8 +38,11 @@ extern char *find_real_root_device_name(const char* name)
if (stat("/", &rootStat) != 0)
bb_perror_msg("could not stat '/'");
else {
if ((dev = rootStat.st_rdev)==0)
dev=rootStat.st_dev;
/* This check is here in case they pass in /dev name */
if ((rootStat.st_mode & S_IFMT) == S_IFBLK)
dev = rootStat.st_rdev;
else
dev = rootStat.st_dev;
dir = opendir("/dev");
if (!dir)