diff options
| author | Chris Wilson <[email protected]> | 2017-09-13 11:57:54 +0100 |
|---|---|---|
| committer | Chris Wilson <[email protected]> | 2017-09-13 13:27:20 +0100 |
| commit | e60b36f76c2ee0ba90b431daa534bc262798fb26 (patch) | |
| tree | 43d88e83c018254953a7d52af50027b639090aee | |
| parent | ada8c4139fbad766fdf9e63b31c49874299fd60c (diff) | |
drm/i915: Squelch smatch warning for statement with no effect
The sgt iterators cause an
drivers/gpu/drm/i915/i915_gpu_error.c:846 i915_error_object_create() warn: statement has no effect 7
everywhere they are used. If we change the code slightly, we can achieve
the same increment without altering the output or raising a warning.
text data bss dec hex filename
1267906 20587 3168 1291661 13b58d before
1267906 20587 3168 1291661 13b58d after
Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Jani Nikula <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ec70121410e4..9dba1b2e8019 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2835,8 +2835,8 @@ static inline struct scatterlist *__sg_next(struct scatterlist *sg) #define for_each_sgt_dma(__dmap, __iter, __sgt) \ for ((__iter) = __sgt_iter((__sgt)->sgl, true); \ ((__dmap) = (__iter).dma + (__iter).curr); \ - (((__iter).curr += PAGE_SIZE) < (__iter).max) || \ - ((__iter) = __sgt_iter(__sg_next((__iter).sgp), true), 0)) + (((__iter).curr += PAGE_SIZE) >= (__iter).max) ? \ + (__iter) = __sgt_iter(__sg_next((__iter).sgp), true), 0 : 0) /** * for_each_sgt_page - iterate over the pages of the given sg_table @@ -2848,8 +2848,8 @@ static inline struct scatterlist *__sg_next(struct scatterlist *sg) for ((__iter) = __sgt_iter((__sgt)->sgl, false); \ ((__pp) = (__iter).pfn == 0 ? NULL : \ pfn_to_page((__iter).pfn + ((__iter).curr >> PAGE_SHIFT))); \ - (((__iter).curr += PAGE_SIZE) < (__iter).max) || \ - ((__iter) = __sgt_iter(__sg_next((__iter).sgp), false), 0)) + (((__iter).curr += PAGE_SIZE) >= (__iter).max) ? \ + (__iter) = __sgt_iter(__sg_next((__iter).sgp), false), 0 : 0) static inline unsigned int i915_sg_segment_size(void) { |