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loop: correct minor device number limit

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-04-14 13:52:41 -07:00
parent 351ef7188a
commit b9dd5ab6d9
1 changed files with 2 additions and 1 deletions
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libbb/loop.c
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@ -104,7 +104,8 @@ int FAST_FUNC set_loop(char **device, const char *file, unsigned long long offse
/* Find a loop device. */ /* Find a loop device. */
try = *device ? *device : dev; try = *device ? *device : dev;
for (i = 0; rc && i < 256; i++) { /* 1048575 is a max possible minor number in Linux circa 2010 */
for (i = 0; rc && i < 1048576; i++) {
sprintf(dev, LOOP_FORMAT, i); sprintf(dev, LOOP_FORMAT, i);
IF_FEATURE_MOUNT_LOOP_CREATE(errno = 0;) IF_FEATURE_MOUNT_LOOP_CREATE(errno = 0;)