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staging: lustre: check kzalloc return value

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check the return value of kzalloc before accessing the memory pointer

Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gujulan Elango, Hari Prasath (H.)
2015-05-13 10:36:28 +00:00
committed by Greg Kroah-Hartman
parent 58973deb5b
commit db562e8154
1 changed files with 4 additions and 0 deletions
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4
drivers/staging/lustre/lustre/llite/llite_lib.c
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@@ -284,6 +284,10 @@ static int client_common_fill_super(struct super_block *sb, char *md, char *dt,
char *buf;
buf = kzalloc(PAGE_CACHE_SIZE, GFP_KERNEL);
if (!buf) {
err = -ENOMEM;
goto out_md_fid;
}
obd_connect_flags2str(buf, PAGE_CACHE_SIZE,
valid ^ CLIENT_CONNECT_MDT_REQD, ",");
LCONSOLE_ERROR_MSG(0x170, "Server %s does not support feature(s) needed for correct operation of this client (%s). Please upgrade server or downgrade client.\n",