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| author | Simon Glass <sjg@chromium.org> | 2018-04-02 02:42:39 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-04-10 11:52:16 -0400 |
| commit | 45fac9fc186dd5259dfeddc7e86a0d55bb4377bd (patch) | |
| tree | 83ff64a294e3ccb05a266ccd07de6f394a163c58 /common/log.c | |
| parent | 004d00914a1888a050ef2d30e52e8e3862983ccb (diff) | |
| download | u-boot-45fac9fc186dd5259dfeddc7e86a0d55bb4377bd.tar.gz u-boot-45fac9fc186dd5259dfeddc7e86a0d55bb4377bd.tar.xz u-boot-45fac9fc186dd5259dfeddc7e86a0d55bb4377bd.zip | |
log: Correct missing free() on error in log_add_filter()
If there is a problem with the parameters to log_add_filter(), the memory
allocated is currently not freed. Fix this.
Reported-by: Coverity (CID: 171962)
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'common/log.c')
| -rw-r--r-- | common/log.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/common/log.c b/common/log.c index 680a60f86e..66d5e3ebf8 100644 --- a/common/log.c +++ b/common/log.c @@ -224,6 +224,7 @@ int log_add_filter(const char *drv_name, enum log_category_t cat_list[], { struct log_filter *filt; struct log_device *ldev; + int ret; int i; ldev = log_device_find_by_name(drv_name); @@ -236,8 +237,10 @@ int log_add_filter(const char *drv_name, enum log_category_t cat_list[], if (cat_list) { filt->flags |= LOGFF_HAS_CAT; for (i = 0; ; i++) { - if (i == ARRAY_SIZE(filt->cat_list)) - return -ENOSPC; + if (i == ARRAY_SIZE(filt->cat_list)) { + ret = -ENOSPC; + goto err; + } filt->cat_list[i] = cat_list[i]; if (cat_list[i] == LOGC_END) break; @@ -246,17 +249,19 @@ int log_add_filter(const char *drv_name, enum log_category_t cat_list[], filt->max_level = max_level; if (file_list) { filt->file_list = strdup(file_list); - if (!filt->file_list) - goto nomem; + if (!filt->file_list) { + ret = ENOMEM; + goto err; + } } filt->filter_num = ldev->next_filter_num++; list_add_tail(&filt->sibling_node, &ldev->filter_head); return filt->filter_num; -nomem: +err: free(filt); - return -ENOMEM; + return ret; } int log_remove_filter(const char *drv_name, int filter_num) |