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allocator/gbm: Reset errno before gbm_bo_create

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Not all paths in GBM set errno properly on error. Reset it to zero
before calling GBM to avoid accidentally printing a garbage error.
This commit is contained in:
Kenny Levinsen 2024-08-19 14:59:44 +02:00
parent ccd4703207
commit 5df2b34d2b
1 changed files with 2 additions and 0 deletions
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2
render/allocator/gbm.c
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@ -96,6 +96,7 @@ static struct wlr_gbm_buffer *create_buffer(struct wlr_gbm_allocator *alloc,
bool has_modifier = true;
uint64_t fallback_modifier = DRM_FORMAT_MOD_INVALID;
errno = 0;
struct gbm_bo *bo = gbm_bo_create_with_modifiers(gbm_device, width, height,
format->format, format->modifiers, format->len);
if (bo == NULL) {
@ -109,6 +110,7 @@ static struct wlr_gbm_buffer *create_buffer(struct wlr_gbm_allocator *alloc,
wlr_log_errno(WLR_ERROR, "gbm_bo_create_with_modifiers failed");
return NULL;
}
errno = 0;
bo = gbm_bo_create(gbm_device, width, height, format->format, usage);
has_modifier = false;
}