!x is more normal for kzalloc failure in the kernel. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression x; statement S1, S2; @@ x = kzalloc(...); if ( - x == NULL + !x ) S1 else S2 // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx> --- drivers/staging/lustre/lustre/mdc/mdc_request.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff -u -p a/drivers/staging/lustre/lustre/mdc/mdc_request.c b/drivers/staging/lustre/lustre/mdc/mdc_request.c --- a/drivers/staging/lustre/lustre/mdc/mdc_request.c +++ b/drivers/staging/lustre/lustre/mdc/mdc_request.c @@ -1202,7 +1202,7 @@ static int mdc_ioc_fid2path(struct obd_e /* Key is KEY_FID2PATH + getinfo_fid2path description */ keylen = cfs_size_round(sizeof(KEY_FID2PATH)) + sizeof(*gf); key = kzalloc(keylen, GFP_NOFS); - if (key == NULL) + if (!key) return -ENOMEM; memcpy(key, KEY_FID2PATH, sizeof(KEY_FID2PATH)); memcpy(key + cfs_size_round(sizeof(KEY_FID2PATH)), gf, sizeof(*gf)); @@ -1605,7 +1605,7 @@ static int mdc_changelog_send_thread(voi cs->cs_fp, cs->cs_startrec); cs->cs_buf = kzalloc(KUC_CHANGELOG_MSG_MAXSIZE, GFP_NOFS); - if (cs->cs_buf == NULL) { + if (!cs->cs_buf) { rc = -ENOMEM; goto out; } @@ -1934,7 +1934,7 @@ static int mdc_iocontrol(unsigned int cm struct obd_quotactl *oqctl; oqctl = kzalloc(sizeof(*oqctl), GFP_NOFS); - if (oqctl == NULL) { + if (!oqctl) { rc = -ENOMEM; goto out; } _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
