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drm/i915: Do kunmap if renderstate parsing fails 

Kunmap the renderstate page on error path.

Reviewed-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala 2015-07-17 17:08:51 +01:00 committed by Daniel Vetter
parent 2617268ff9
commit dd72bde05d
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/i915/i915_gem_render_state.c
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@ -96,8 +96,10 @@ static int render_state_setup(struct render_state *so)
s = lower_32_bits(r); s = lower_32_bits(r);
if (so->gen >= 8) { if (so->gen >= 8) {
if (i + 1 >= rodata->batch_items || if (i + 1 >= rodata->batch_items ||
rodata->batch[i + 1] != 0) rodata->batch[i + 1] != 0) {
return -EINVAL; ret = -EINVAL;
goto err_out;
}
d[i++] = s; d[i++] = s;
s = upper_32_bits(r); s = upper_32_bits(r);
@ -120,6 +122,10 @@ static int render_state_setup(struct render_state *so)
} }
return 0; return 0;
err_out:
kunmap(page);
return ret;
} }
void i915_gem_render_state_fini(struct render_state *so) void i915_gem_render_state_fini(struct render_state *so)