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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/zstreamdump/zstreamdump.c
+1 -1
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@@ -237,7 +237,7 @@ main(int argc, char *argv[])
struct drr_write_embedded *drrwe = &thedrr.drr_u.drr_write_embedded;
struct drr_object_range *drror = &thedrr.drr_u.drr_object_range;
struct drr_checksum *drrc = &thedrr.drr_u.drr_checksum;
char c;
int c;
boolean_t verbose = B_FALSE;
boolean_t very_verbose = B_FALSE;
boolean_t first = B_TRUE;