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2.6.6 memory allocation checks in cifs_parse_mount_options()

PATCH New Yury Umanets 1 participant 1 message Jun 6, 2004

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Yury Umanets

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PATCH 1/1 2.6.6 memory allocation checks in cifs_parse_mount_options()

Adds memory allocation checks in cifs_parse_mount_options().

 ./linux-2.6.6-modified/fs/cifs/connect.c |    4 ++++
 1 files changed, 4 insertions(+)
Signed-off-by Yury Umanets <[email protected]>

diff -rupN ./linux-2.6.6/fs/cifs/connect.c
./linux-2.6.6-modified/fs/cifs/connect.c

linux-2.6.6-modified/fs/cifs/connect.c renamed from linux-2.6.6/fs/cifs/connect.c +4 -0
@@ -587,6 +587,8 @@ cifs_parse_mount_options(char *options, 
 			}
 			if ((temp_len = strnlen(value, 300)) < 300) {
 				vol->UNC = kmalloc(temp_len+1,GFP_KERNEL);
+				if (!vol->UNC)
+					return 1;
 				strcpy(vol->UNC,value);
 				if (strncmp(vol->UNC, "//", 2) == 0) {
 					vol->UNC[0] = '\\';

@@ -727,6 +729,8 @@ cifs_parse_mount_options(char *options, 
 		}
 		if ((temp_len = strnlen(devname, 300)) < 300) {
 			vol->UNC = kmalloc(temp_len+1,GFP_KERNEL);
+			if (!vol->UNC)
+				return 1;
 			strcpy(vol->UNC,devname);
 			if (strncmp(vol->UNC, "//", 2) == 0) {
 				vol->UNC[0] = '\\';
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