Mesa (master): util/disk_cache: check for write() failure in the zstd path
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Wed Feb 5 01:32:02 UTC 2020
Module: Mesa
Branch: master
Commit: 2799676218249c5b9f1dc0a6367e459a1ad5642e
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=2799676218249c5b9f1dc0a6367e459a1ad5642e
Author: Eric Engestrom <eric at engestrom.ch>
Date: Sun Feb 2 17:15:09 2020 +0000
util/disk_cache: check for write() failure in the zstd path
CoverityID: 1458074
Fixes: a8d941091f72923561a6 ("util: Use ZSTD for shader cache if possible")
Signed-off-by: Eric Engestrom <eric at engestrom.ch>
Reviewed-by: Dylan Baker <dylan at pnwbakers.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3672>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3672>
---
src/util/disk_cache.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/util/disk_cache.c b/src/util/disk_cache.c
index e5b21b9a79f..d1f14736725 100644
--- a/src/util/disk_cache.c
+++ b/src/util/disk_cache.c
@@ -758,7 +758,11 @@ deflate_and_write_to_disk(const void *in_data, size_t in_data_size, int dest,
free(out);
return 0;
}
- write_all(dest, out, ret);
+ ssize_t written = write_all(dest, out, ret);
+ if (written == -1) {
+ free(out);
+ return 0;
+ }
free(out);
return ret;
#else
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