diff options
| author | Thorsten Blum <thorsten.blum@linux.dev> | 2026-06-14 16:23:56 +0200 |
|---|---|---|
| committer | Madhavan Srinivasan <maddy@linux.ibm.com> | 2026-07-15 08:04:13 +0530 |
| commit | bd83c98b988d2c560531084e296dbfb530aff829 (patch) | |
| tree | ea7eae24d2c0e90c3d69dd788657ed41fef98181 /arch/powerpc | |
| parent | d610d3ab18197d87618da11ec5fe8b3cebf32208 (diff) | |
powerpc/pseries: fix memory leak on krealloc failure in papr_init
When krealloc() fails, free the original esi_buf before returning to
avoid a memory leak.
Fixes: 3c14b73454cf ("powerpc/pseries: Interface to represent PAPR firmware attributes")
Cc: stable@vger.kernel.org
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260614142356.658212-2-thorsten.blum@linux.dev
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/pseries/papr_platform_attributes.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/pseries/papr_platform_attributes.c b/arch/powerpc/platforms/pseries/papr_platform_attributes.c index c6159870de0e..9c3758aa54c6 100644 --- a/arch/powerpc/platforms/pseries/papr_platform_attributes.c +++ b/arch/powerpc/platforms/pseries/papr_platform_attributes.c @@ -271,11 +271,9 @@ retry: esi_buf_size = ESI_HDR_SIZE + (CURR_MAX_ESI_ATTRS * max_esi_attrs); temp_esi_buf = krealloc(esi_buf, esi_buf_size, GFP_KERNEL); - if (temp_esi_buf) - esi_buf = temp_esi_buf; - else - return -ENOMEM; - + if (!temp_esi_buf) + goto out_free_esi_buf; + esi_buf = temp_esi_buf; goto retry; } |