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staging: erofs: formatting fix to NULL comparison 

This patch does not change the logic, it only
corrects the formatting and checkpatch checks by
to NULL comparison.

The patch fixes 5 checks of type:
"Comparison to NULL could be written".

Signed-off-by: Pavel Zemlyanoy <zemlyanoy@ispras.ru>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Reviewed-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pavel Zemlyanoy 2018-08-30 18:13:58 +03:00 committed by Greg Kroah-Hartman
parent e84e1ed8cd
commit 196ef5f360
1 changed files with 5 additions and 5 deletions
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10
drivers/staging/erofs/unzip_vle_lz4.c
View File

@ -42,8 +42,8 @@ int z_erofs_vle_plain_copy(struct page **compressed_pages,
struct page *page = pages[i];
void *dst;
if (page == NULL) {
if (src != NULL) {
if (!page) {
if (src) {
if (!mirrored[j])
kunmap_atomic(src);
src = NULL;
@ -64,7 +64,7 @@ int z_erofs_vle_plain_copy(struct page **compressed_pages,
}
if (i) {
if (src == NULL)
if (!src)
src = mirrored[i-1] ?
percpu_data + (i-1) * PAGE_SIZE :
kmap_atomic(compressed_pages[i-1]);
@ -92,7 +92,7 @@ int z_erofs_vle_plain_copy(struct page **compressed_pages,
kunmap_atomic(dst);
}
if (src != NULL && !mirrored[j])
if (src && !mirrored[j])
kunmap_atomic(src);
preempt_enable();
@ -136,7 +136,7 @@ int z_erofs_vle_unzip_fast_percpu(struct page **compressed_pages,
for (i = 0; i < nr_pages; ++i) {
j = min((unsigned int)PAGE_SIZE - pageofs, outlen);
if (pages[i] != NULL) {
if (pages[i]) {
if (ret < 0)
SetPageError(pages[i]);
else if (clusterpages == 1 && pages[i] == compressed_pages[0])