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Endless loop in zpool_do_remove() on platforms with unsigned char

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On systems where "char" is an unsigned type the value returned by
getopt() will never be negative (-1), leading to an endless loop:
this issue prevents both 'zpool remove' and 'zstreamdump' for
working on some systems.

Reviewed-by: Igor Kozhukhov <igor@dilos.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: loli10K <ezomori.nozomu@gmail.com>
Closes #8789
This commit is contained in:
loli10K
2019-05-28 20:14:58 +02:00
committed by Brian Behlendorf
parent 69ae34076f
commit 51de7ccb42
3 changed files with 4 additions and 4 deletions
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cmd/zfs/zfs_main.c
+2 -2
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@@ -2239,7 +2239,7 @@ zfs_do_upgrade(int argc, char **argv)
boolean_t showversions = B_FALSE;
int ret = 0;
upgrade_cbdata_t cb = { 0 };
signed char c;
int c;
int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
/* check options */
@@ -3933,7 +3933,7 @@ static int
zfs_do_snapshot(int argc, char **argv)
{
int ret = 0;
signed char c;
int c;
nvlist_t *props;
snap_cbdata_t sd = { 0 };
boolean_t multiple_snaps = B_FALSE;