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| author | Heinrich Schuchardt <xypron.glpk@gmx.de> | 2018-10-02 06:58:00 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-10-06 14:09:41 -0400 |
| commit | 0d532e911cb7e67e151153289024183bc4f5b257 (patch) | |
| tree | cf3b415d7eb6ded438a95e1d16a2bfa2095eb0b0 /fs/fat | |
| parent | 46580f2fd569946f711af63002e2628b9ff109e3 (diff) | |
| download | u-boot-0d532e911cb7e67e151153289024183bc4f5b257.zip u-boot-0d532e911cb7e67e151153289024183bc4f5b257.tar.gz u-boot-0d532e911cb7e67e151153289024183bc4f5b257.tar.bz2 | |
fs: fat: memory leak in fat_unlink()
Do not leak filename_copy in case of error.
Catch out of memory when calling strdup.
Reported-by: Coverity (CID: 184086)
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Diffstat (limited to 'fs/fat')
| -rw-r--r-- | fs/fat/fat_write.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/fat/fat_write.c b/fs/fat/fat_write.c index fc211e7..1ec72d1 100644 --- a/fs/fat/fat_write.c +++ b/fs/fat/fat_write.c @@ -1259,6 +1259,11 @@ int fat_unlink(const char *filename) char *filename_copy, *dirname, *basename; filename_copy = strdup(filename); + if (!filename_copy) { + printf("Error: allocating memory\n"); + ret = -ENOMEM; + goto exit; + } split_filename(filename_copy, &dirname, &basename); if (!strcmp(dirname, "/") && !strcmp(basename, "")) { @@ -1270,7 +1275,8 @@ int fat_unlink(const char *filename) itr = malloc_cache_aligned(sizeof(fat_itr)); if (!itr) { printf("Error: allocating memory\n"); - return -ENOMEM; + ret = -ENOMEM; + goto exit; } ret = fat_itr_root(itr, &fsdata); |