[PATCH 2/6] drm/i915/gem: Free sg table on failure to acquire second folio

[Krzysztof Karas]

We should release folios if the first entry was populated, but
loop failed before sg advanced.

Signed-off-by: Krzysztof Karas <krzysztof.ka...@intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_shmem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c 
b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
index f338dc39fad1..d6243f4e51ab 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
@@ -219,7 +219,7 @@ int shmem_sg_alloc_table(struct drm_i915_private *i915, 
struct sg_table *st,
 
 err_sg:
        sg_mark_end(sg);
-       if (sg != st->sgl) {
+       if (st->nents) {
                shmem_sg_free_table(st, mapping, false, false);
        } else {
                mapping_clear_unevictable(mapping);
-- 
2.34.1