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| author | Jeremy Allison <jra@samba.org> | 2006-03-29 22:41:24 +0000 |
|---|---|---|
| committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 11:15:47 -0500 |
| commit | b84d06dae754ef2f637bc6549c63a5062afbbab6 (patch) | |
| tree | 5b44ff687c7cbe25007a277b8c53361f7759e67f /source3/lib/util_pw.c | |
| parent | 81d4f40bbe202e5dae3d4d1070b02edf16a9f62e (diff) | |
| download | samba-b84d06dae754ef2f637bc6549c63a5062afbbab6.tar.gz samba-b84d06dae754ef2f637bc6549c63a5062afbbab6.tar.bz2 samba-b84d06dae754ef2f637bc6549c63a5062afbbab6.zip | |
r14764: Fix possible null pointer deref. Coverity #253.
Jeremy.
(This used to be commit 7a18f38947385b8a5fb27a42610320003689e9e1)
Diffstat (limited to 'source3/lib/util_pw.c')
| -rw-r--r-- | source3/lib/util_pw.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/source3/lib/util_pw.c b/source3/lib/util_pw.c index e1bea1a646..754899f420 100644 --- a/source3/lib/util_pw.c +++ b/source3/lib/util_pw.c @@ -25,6 +25,9 @@ struct passwd *tcopy_passwd(TALLOC_CTX *mem_ctx, const struct passwd *from) { struct passwd *ret = TALLOC_P(mem_ctx, struct passwd); + if (!ret) { + return NULL; + } ret->pw_name = talloc_strdup(ret, from->pw_name); ret->pw_passwd = talloc_strdup(ret, from->pw_passwd); ret->pw_uid = from->pw_uid; @@ -99,8 +102,7 @@ struct passwd *getpwnam_alloc(TALLOC_CTX *mem_ctx, const char *name) } pwnam_cache[i] = tcopy_passwd(pwnam_cache, temp); - - if (mem_ctx != NULL) { + if (pwnam_cache[i]!= NULL && mem_ctx != NULL) { return talloc_reference(mem_ctx, pwnam_cache[i]); } |