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| author | Anton Vorontsov <anton.vorontsov@linaro.org> | 2012-06-19 06:15:51 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-21 03:15:22 +0400 |
| commit | 90b58d96907e0a45555429c0d3a79c85cea4b9fc (patch) | |
| tree | ad2a80bf0c8648493c62822eb140b38db7d1c238 | |
| parent | 924d37118f9e18825294b2012a10c6245d6c25e1 (diff) | |
| download | linux-90b58d96907e0a45555429c0d3a79c85cea4b9fc.tar.xz | |
pstore/ram: Fix error handling during przs allocation
persistent_ram_new() returns ERR_PTR() value on errors, so during
freeing of the przs we should check for both NULL and IS_ERR() entries,
otherwise bad things will happen.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/pstore/ram.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index 0b36e91978e6..58b93fbd117e 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -260,7 +260,7 @@ static void ramoops_free_przs(struct ramoops_context *cxt) if (!cxt->przs) return; - for (i = 0; cxt->przs[i]; i++) + for (i = 0; !IS_ERR_OR_NULL(cxt->przs[i]); i++) persistent_ram_free(cxt->przs[i]); kfree(cxt->przs); } |